Apparatus for turning deep-well bits when being sharpened



May 29, 1923. 1,456,833

J. G. scHooLEY ET AL APPARATUS FOR TURNING DEEP WELL BITS WHEN BEING SHARPE NED Filed Aug. 31, 1921 WITNESSES lA/l/E/VTOR c]: G. fiche ol 6 A TTOR/VE Y8 Patented May 29, 1923. i I I I I U N [TED STATES P A TE T F FI'C JAMES G. SC HOOLEY AND'HENRY M. RA NSDELL, F TULSA, OKLAHOMA. I i I I APPARATUS FOR.TU-RNING,DEEPWELL BITS WHEN BEING- SHARPENED.

Application filed August 31, 1921. Serial No. 497,189.

To all whom it may concern: the reference numeral 16, .and connected to Be it known that we, JAMES G. SoHooLnY a hook 17 which is in turn suitably con- I and HENRY M. RANsnnLL, citizens of the nected to a chain fall not shown. United States, and residents of Tulsa, in the The pulley 17' comprises a sleeve 18 which county of Tulsa and State of Oklahoma. has formed in its periphery a groove or have invented certain new and useful Imchannel 19. Also upon each side of the" provements in Apparatus for Turning Deepgroove '19 there is formed a plurality of re- VVell Bits \Vhen Being sharpened, of which cesses 20 which are arranged in registering the following is a specification. pairs as shown. The sleeve 18 is otherwise r 10 This invention relates to an apparatus for fitted upon a squared portion 21 of the shaft j turning deep well bits when being sharp- 22. The shaft is also formed with the jourened. nal portions 23, a collar 24, and a square As is well known a bit of the type emend portion 25. A U-shaped support 26 is: ployed for drilling deep wells isheavy and provided and near theterminal-ends thereof 15 cumbersome. lVhen sharpening the pointed the sleeve supporting shaft 22 is journaled; ends of such a bit the bit as a whole must be as shown. The collar 24:; holds the shaft turned upon the anvil in order that the against longitudinal movement'in one diproper presentation is had. The bit is hot rection and the same being held against and burdensome and difficult to turn. With movement in the opposite direction by a 20 this in View it is the object of the present inwasher 27 and pin 28. The U-shapedmem+ vention to provide means whereby the turnber affords aconvenient-means for connecting of a hit upon the anvil may be. easily ing the pulley 16 to the chain fall as shown. i accomplished with a minimum of labor and Also the squaredend portion 25 of the shaft without the possibility of being burnt. has fitted thereon a handle 27 consisting in It is also an important object of the ina bar having a central offset portion-'28 f V vention to provide a novel pulley particuwhich is enlarged and provided with an larly adapted to be used in conjunction with opening adapted to receive the squared end 7 I the apparatus. of the shaft 22. I I

Other objects will hereinafter appear in In the operation of the apparatus the same 30 the detail description to follow. is arranged as shown in Figure 1. The por- I The invention is exemplified in the action of the chain 15 passing "over the sleeve II H companying drawings in which y 18 has alternate links disposed in pairs of Figure 1 is a diagrammatic view illusrecesses 20 while the remaininglinks'passing trating the invention applied. over the same are disposed in-the groove 19' v3F Figure 2 is a side elevation of the pulley. as shown in Figure'3. As is obvious by this- Figure 3 is a vertical sectional view of the arrangement the chain cannot slip; upon same. the sleeve and thus withthe rotation of the Figure 4c is a detail view illustrating the pulley the ch mus o n a s m la di- I particular shape of the groove of the pulley. rection. When it is desired, to turn the bit I 40 Referring to the drawings more particu- 11 the same is raised as shown by the chain larly, 10 indicates an anvil and 11 a bit of fall and then the handle 27 is rotated for the type employed for drilling deep wells. turning the bit ll in the desired direction. The end of the bit to be sharpened is sup- We claim: i I I I I ported upon the anvil 10 while its other end A pulley,- comprising incombination, a. U- i I 4 is supported upon a block12. The bit is shaped supporting member, a shaft jour- 5 held against longitudinal movement in one naled between the terminals of said. supe direction by a block 13, said block being porting member said shaft havingone end braced as at 1 1. About the bit 11 there extended and a squared portion -occurring passes a chain loop 15, said chain also pass intermediate the terminals, a sheave fitted I 50 ing aboutthe pulley generally indicated by upon said squared. portion of the shaft and having a peripheral groove adapted to receive links of a chain and hold the same against sliding movement thereon, a collar upon the extended end of the shaft and adapted to hold the same against longitudinal movement in one direction, a cotter pin carried upon the other end of the shaft adapted to hold the same against movement in the opposite direction, and a bar secured upon the extended end of the shaft extend- 10 ing transversely thereof whereby said sheave may be rotated.

JAMES G. SCHOOLEY. HENRY RANSDELL. 

